421322223124 has 36 divisors (see below), whose sum is σ = 825727223412. Its totient is φ = 187896691840.

The previous prime is 421322223089. The next prime is 421322223227.

421322223124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 185573131524 + 235749091600 = 430782^2 + 485540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421322223092 and 421322223101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8186617 + ... + 8237920.

It is an arithmetic number, because the mean of its divisors is an integer number (22936867317).

Almost surely, 2^421322223124 is an apocalyptic number.

421322223124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421322223124 is a deficient number, since it is larger than the sum of its proper divisors (404405000288).

421322223124 is a wasteful number, since it uses less digits than its factorization.

421322223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424616 (or 16424603 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

It can be divided in two parts, 421322 and 223124, that added together give a palindrome (644446).

The spelling of 421322223124 in words is "four hundred twenty-one billion, three hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-four".